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Php lab

EX.NO: 1 DATE : NAVIGATION AIM: To write a program to design a web page with links to different pages and allow navigation between web pages. PROGRAM: <html> <head> <title>Navigation bar</title> </head> <body> <h1>PHP PROGRAM</h1> <?php if(isset($_GET['page'])){ $page=$_GET['page']; if($page==='factorial'){ include('factorial.php');} elseif($page==='prime'){ include('prime.php');} if($page==='valid mail'){ include('valid mail.php');}} ?> <hr> <h3>NAVIGATION</h3> <ul><li><a href="factorial.php?page=home">FACTORIAL</a></li> <li><a href="prime.php?about">PRIME NUMBER</a></li> <li><a href="valid mail.php?page=contact">VALID MAIL<a></li></ul> </body> </html> ......... EX.NO: 2 DATE : REGISTRATION AIM: To Write a program to design a...

DBMS LAB

AIM: To write a sql program in ddl commands. PROGRAM: SQL> create table student(stid number, stname varchar(15), staddr varchar(15), stmob number(15)); Table created. SQL> desc student; Name Null? Type ----------------------------- -------- ------------------------ STID NUMBER STNAME VARCHAR2(15) STADDR VARCHAR2(15) STMOB NUMBER(15) SQL> alter table student add stmark number; Table altered. SQL> desc student; Name Null? Type --------------------------------- -------- -------------------- STID NUMBER STNAME VARCHAR2(15) STADDR VARCHAR2(15) STMOB NUMBER(15) STMARK NUMBER SQL> alter table student rename to student_info; Table altered. SQL> desc student; ERROR: ORA-04043: object student does not exist SQL> desc student_info; Name Null? Type -------------------------------- -------- ---------------- STID NUMBER STNAME VARCHAR2(15) STADDR VARCHAR2(15) STMOB NUMBER(15) STMARK NUMBER SQL> drop table student_info; Table dropped. SQL> desc student_info; ERROR: ORA-04...